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【单选题】
最能体现太平天国社会理想和这次农民战争特点的纲领性文件是( )。
A.
《资政新篇》
B.
《天朝田亩制度》
C.
《定国是诏》
D.
《原道醒世训》
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【判断题】晶体三极管工作在放大状态时,发射极电流总是等于基极和集电极电流之和( )
A.
正确
B.
错误
【单选题】十六进制系统信息传输速率是码元传输速率的
A.
2倍
B.
4倍
C.
8倍
D.
16倍
【简答题】https://www.ixigua.com/i6792384172783586575/ Q1: How much did the woman get for the tip? A。 a quarter B. some coins C. more than a quarter Q2: How would the man do when the waitress complained?...
【判断题】晶体三极管工作在放大状态时,基极和集电极电流方向总是相同的( )
A.
正确
B.
错误
【单选题】若使晶体三极管工作在()状态,必须使发射极加负偏压或零偏压,即使基极电流小于零,此时集电极一般也承受负偏压。
A.
放大状态
B.
截止状态
C.
饱和状态
【简答题】晶体三极管有三种基本的工作状态,当其发射结 ,集电结 时,工作在放大区;当发射结正偏,集电结 时,工作在饱和区;当发射结反偏,集电结 ­­­­­­­­ 时,工作在截止区。
【判断题】叶子摊放时要抖散、摊平呈蓬松状态,保持厚薄一致,以槽面叶子微微颤动,但不出现空洞为宜。
A.
正确
B.
错误
【单选题】B Listen to the dialogue again, and then choose the best answer. 1. The man __________.
A.
orders beef and fish
B.
asks the waitress to recommend some dishes
C.
does not like duck
D.
o
【单选题】People who dine in a New York restaurant
A.
are not expected to give any tip to the waiter or waitress.
B.
had better tip more than 15% so as not to be shamed.
C.
may be looked down upon when offering a considerable tip.
D.
are thought of as generous if they tip 15%.
【单选题】The waitress says that many customers like __________.
A.
Beijing roast duck
B.
their house special
C.
sweet and sour fish
D.
o
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